special values
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31—40 of 113 matching pages
31: 28.12 Definitions and Basic Properties
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βΊ(28.12.10) is not valid for cuts on the real axis in the -plane for special complex values of ; but it remains valid for small ; compare §28.7.
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32: DLMF Project News
error generating summary33: 25.2 Definition and Expansions
34: 13.4 Integral Representations
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βΊThe fractional powers are continuous and assume their principal values at .
…At the point where the contour crosses the interval , and the function assume their principal values; compare §§15.1 and 15.2(i).
A special case is
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βΊAgain, and the function assume their principal values where the contour intersects the positive real axis.
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35: Bille C. Carlson
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βΊAlso, the homogeneity of the -function has led to a new type of mean value for several variables, accompanied by various inequalities.
βΊThe foregoing matters are discussed in Carlson’s book Special Functions of Applied Mathematics, published by Academic Press in 1977.
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36: Mathematical Introduction
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βΊWith two real variables, special functions are depicted as 3D surfaces, with vertical height corresponding to the value of the function, and coloring added to emphasize the 3D nature.
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βΊSpecial functions with a complex variable are depicted as colored 3D surfaces in a similar way to functions of two real variables, but with the vertical height corresponding to the modulus (absolute value) of the function.
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37: 16.4 Argument Unity
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βΊThe special case is
-balanced if is a nonpositive integer and
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βΊThe function with argument unity and general values of the parameters is discussed in Bühring (1992).
Special cases are as follows:
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βΊThese series contain symbols as special cases when the parameters are integers; compare §34.4.
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38: 18.9 Recurrence Relations and Derivatives
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βΊwith initial values
and .
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βΊwith initial values
and .
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βΊFormulas (18.9.5), (18.9.11), (18.9.13) are special cases of (18.2.16).
Formulas (18.9.6), (18.9.12), (18.9.14) are special cases of (18.2.17).
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39: 23.5 Special Lattices
§23.5 Special Lattices
βΊ§23.5(i) Real-Valued Functions
βΊThe Weierstrass functions take real values on the real axis iff the lattice is fixed under complex conjugation: ; equivalently, when . …40: 35.1 Special Notation
§35.1 Special Notation
βΊ(For other notation see Notation for the Special Functions.) … βΊAll fractional or complex powers are principal values. βΊcomplex variables. | |
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complex-valued function with . | |
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